AlQahtani London Atlas
Definition
A 2010 dental developmental atlas covering birth to 23.5 years, constructed from a multi-ethnic London collection with known age at death; the current international standard for forensic dental age estimation.
- Published
- 2010
- Age range covered
- Birth to 23.5 years
- Sample basis
- Multi-ethnic London cohort, known age at death
- Status
- Current international standard
Common questions
What did the AlQahtani atlas replace in forensic dental age estimation?+
It updated and extended earlier developmental charts such as Schour and Massler and Moorrees, which were based on smaller or less diverse samples, by drawing on a large, multi-ethnic collection with confirmed ages, improving accuracy across a wider population range.
How is the atlas actually applied to a subadult case?+
An examiner compares the developmental stage of each tooth visible on a radiograph or in the jaw against the atlas's staged diagrams for that tooth type, and the closest matching stages across multiple teeth are used to estimate an age range rather than a single fixed age.
Related terms
- Demirjian Stages
- A seven-stage (A-G) scoring system for dental crown and root development applied to seven mandibular teeth; the maturity score derived from the...
- Dental Eruption
- The process by which a tooth moves through the alveolar bone and gingiva to emerge into the oral cavity. Eruption timing is...
- Epiphyseal Fusion
- The obliteration of the cartilaginous growth plate and bony union of the epiphysis with the diaphysis. Fusion sequence and timing form the...
- ICMR Dental Standards
- Indian Council of Medical Research benchmarks for dental eruption and development in Indian children, used alongside the Bagga atlas to provide population-appropriate...
- Medial Clavicle Epiphysis
- The last secondary ossification centre to fuse in the human skeleton, completing at 21 to 30 years depending on sex and population....
- Moorrees-Fanning-Hunt Stages
- A 13-stage system of dental crown and root development derived from the Fels Longitudinal Study (1963), applied to mandibular teeth and forming...
- Scheuer-Black Framework
- The reference system for developmental skeletal age estimation published by Louise Scheuer and Sue Black in 'Developmental Juvenile Osteology' (Academic Press, 2000)....
- Schmeling Protocol
- The multi-method age assessment framework (physical examination, dental radiograph, wrist radiograph, medial clavicle CT) developed by Andreas Schmeling and the AGFAD study...
- Third Molar Variability
- The wide interindividual and population variation in third molar development timing (eruption 16-22 years, root completion 18-25 years), which limits the third...